This page contains Harry Potter And The Half-Blood Prince Codes for Xbox 360 called "Castle Gates two-player dueling pack" and has been posted or updated on Jan 12, 2011 by Zeehan. Let us know what you think of this Code by thumbs voting.
Castle Gates two-player dueling pack
Select the "Rewards" option at the main menu. Press Right(2), Down(2), Left, Right, Left, Right, Left, Right, Start. A message will confirm correct code entry.
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